https://github.com/vweevers/fs-read-exactly

Read exactly n bytes of an fd or file
https://github.com/vweevers/fs-read-exactly

Last synced: 11 months ago
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Read exactly n bytes of an fd or file

• Host: GitHub
• URL: https://github.com/vweevers/fs-read-exactly
• Owner: vweevers
• License: mit
• Created: 2016-12-19T21:10:22.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2020-12-11T17:48:03.000Z (over 5 years ago)
• Last Synced: 2025-06-27T06:47:02.182Z (12 months ago)
• Language: JavaScript
• Size: 1.95 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# fs-read-exactly

**Read exactly n bytes of an fd or file**

[![npm status](http://img.shields.io/npm/v/fs-read-exactly.svg?style=flat-square)](https://www.npmjs.org/package/fs-read-exactly) [![node](https://img.shields.io/node/v/fs-read-exactly.svg?style=flat-square)](https://www.npmjs.org/package/fs-read-exactly) [![Travis build status](https://img.shields.io/travis/vweevers/fs-read-exactly.svg?style=flat-square&label=travis)](http://travis-ci.org/vweevers/fs-read-exactly) [![AppVeyor build status](https://img.shields.io/appveyor/ci/vweevers/fs-read-exactly.svg?style=flat-square&label=appveyor)](https://ci.appveyor.com/project/vweevers/fs-read-exactly) [![Dependency status](https://img.shields.io/david/vweevers/fs-read-exactly.svg?style=flat-square)](https://david-dm.org/vweevers/fs-read-exactly)

## example

```js

const readExactly = require('fs-read-exactly')

readExactly('readme.md', 0, 15, function (err, chunk) {

  console.log(err) // null

  console.log(chunk.toString()) // '# fs-read-exact'

})

readExactly('readme.md', 0, 1e4, function (err, chunk) {

  console.log(err.code) // 'EOF'

})

```

## `readExactly(mixed, pos, length, callback)`

Where `mixed` is either a filename or a file descriptor.

## install

With [npm](https://npmjs.org) do:

```

npm install fs-read-exactly

```

## license

[MIT](http://opensource.org/licenses/MIT) © Vincent Weevers